1600A Molded Case Circuit breaker
Product Description
KNM3 Series moulded-case circuit-breakers guarantee an extremely high performance level while being progressively smaller in size, simple to install and able to provide increasingly better safety guarantees for the operator.
KNM3 Series Moulded-case circuit-breakers can be used in low voltage civil and industrial installations with 1 to 3200 A operating current.
Since assembly instructions are simple, trip units can quickly and easily be replaced; even in the field.
All this makes the circuit-breakers very easy to operate with considerable savings due to rationalized stock management.
This product complies with standard IEC60947-2, GB14048.2
NO.
testing current name
I/In
Assumed time
Starting
situation
1
Assumed un-
tripping current
1.05
2h(In>63A),
1h(In63A)
Cold state
2
Assumed tripping
current
1.30
2h(In>63A),
1h(In63A)
Start right
Type
KNM3-125N
KNM3-160N
KNM3-250N
KNM3-400N
KNM3-630N
KNM3-800N
Rated current In(A)
125A
160A
250A
400A
630A
800A
Rated insulation voltage(V)
500
690
800
800
800
800
Rated pulse voltage(KV)
6
6
8
8
8
8
Rated working voltage ue (V)
AC500
AC690
AC690
AC690
AC690
AC690
DC250
DC500
DC750
DC750
DC750
DC750
Ultimate
short-circuit
breaking
capacity
lcu(KA)
AC 50/60Hz
220/240V
40
50
65
65
65
65
380/415V
25
35
35
35
35
35
440V
16
20
30
30
30
30
500V
12
12
25
25
25
25
690V
-
8
14
20
20
20
Operative short-circuit Breaking capacity
.
.
.
.
.
.
Isolation function
A
A
A
A
B
B
Usage category
.
.
Mode
of
tripping
unit
Unadjustable
Adjustable thermal trip
Unadjustable electromagetic trip
.
.
Unadjustable
.
.
.
.
Machanical life
25000
25000
25000
20000
20000
20000
Electrical life
8000
8000
8000
7000
5000
5000
L
78
90
105
140
210
210
D
70
70
103.5
103.5
103.5
103.5
Production Capacity: we have more than 1500 workers and 100 expert engineers who can produce one container of our products in less than 5 days. Annual production is as follows; MCB 15 million poles, RCCB (thermal type) 2 million poles, (magnetic type) 800 thousand pole. Production of other products is also in the range of not less than thousands of poles annually.
Pricing: we offer the best price to meet the requirement of all customers depending on the quality and the number of quantity demanded.
http://www.korlenelectric.com
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